File size: 48,651 Bytes
3e363e2 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 1130 1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 1141 1142 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 1156 1157 1158 1159 1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171 1172 1173 1174 1175 1176 1177 1178 1179 1180 1181 1182 1183 1184 1185 1186 1187 1188 1189 1190 1191 1192 1193 1194 1195 1196 1197 1198 1199 1200 1201 1202 1203 1204 1205 1206 1207 1208 1209 1210 1211 1212 1213 1214 1215 1216 1217 1218 1219 1220 1221 1222 1223 1224 1225 1226 1227 1228 1229 1230 1231 1232 1233 1234 1235 1236 1237 1238 1239 1240 1241 1242 1243 1244 1245 1246 1247 1248 1249 1250 1251 1252 1253 1254 1255 1256 1257 1258 1259 1260 1261 1262 1263 1264 1265 1266 1267 1268 1269 1270 1271 1272 1273 1274 1275 1276 1277 1278 1279 1280 1281 1282 1283 1284 1285 1286 1287 1288 1289 1290 1291 1292 1293 1294 1295 1296 1297 1298 1299 1300 1301 1302 1303 1304 1305 1306 1307 1308 1309 1310 1311 1312 1313 1314 1315 1316 1317 1318 1319 1320 1321 1322 1323 1324 1325 1326 1327 1328 1329 1330 1331 1332 1333 1334 1335 1336 1337 1338 1339 1340 1341 1342 1343 1344 1345 1346 1347 1348 1349 1350 1351 1352 1353 1354 1355 1356 1357 1358 1359 1360 1361 1362 1363 1364 1365 1366 1367 1368 1369 1370 1371 1372 1373 1374 1375 1376 1377 1378 1379 1380 1381 1382 1383 1384 1385 1386 1387 1388 1389 1390 1391 1392 1393 1394 1395 1396 1397 1398 1399 1400 1401 1402 1403 1404 1405 1406 1407 1408 1409 1410 1411 1412 1413 1414 1415 1416 1417 1418 1419 1420 1421 1422 1423 1424 1425 1426 1427 1428 1429 1430 1431 1432 1433 1434 1435 1436 1437 1438 1439 1440 1441 1442 1443 1444 1445 1446 1447 1448 1449 1450 1451 1452 1453 1454 1455 1456 1457 1458 1459 1460 1461 1462 1463 1464 1465 1466 1467 1468 1469 1470 1471 1472 1473 1474 1475 1476 1477 1478 1479 1480 1481 1482 1483 1484 1485 1486 1487 1488 1489 1490 1491 1492 1493 1494 1495 1496 1497 1498 1499 1500 1501 1502 1503 1504 1505 1506 1507 1508 1509 1510 1511 1512 1513 1514 1515 1516 1517 1518 1519 1520 1521 1522 1523 1524 1525 1526 1527 1528 1529 1530 1531 1532 1533 1534 1535 1536 1537 1538 1539 1540 1541 1542 1543 1544 1545 1546 1547 1548 1549 1550 1551 1552 | """Causal, scientific, and commonsense graph sources.
The loaders in this module intentionally keep evidence type in edge attributes
and keep it visible in the serialized record metadata. A mined statement,
an ontology relationship, a temporal link, and a hand-authored structural
causal model are useful for different training tasks and must not be silently
treated as interchangeable evidence.
"""
from __future__ import annotations
import bz2
import csv
import gzip
import json
import random
import re
import zipfile
from collections import Counter
from collections.abc import Iterable, Iterator, Mapping, Sequence
from dataclasses import dataclass
from pathlib import Path
from urllib.parse import unquote
from xml.etree import ElementTree
from graph.graph import EdgeRecord, GraphStore
from graph.real.corpus import (
CorpusStats,
RealGraph,
SourceMetadata,
_competing_paths,
_extract_neighborhood,
_matching_paths,
_without_support,
relation_phrase,
serialize_example,
)
from graph.synthetic.generator import ReasoningExample
from graph.types import GraphPath, GraphQuery, PathStep, ReasoningStatus
@dataclass(frozen=True)
class CausalExample:
"""Trainer-native example plus causal evidence metadata."""
example: ReasoningExample
metadata: Mapping[str, str]
def _slug(value: str, *, limit: int = 120) -> str:
value = unquote(value).strip().lower().replace("_", " ")
value = re.sub(r"\s+", " ", value)
return value[:limit] or "unknown"
def _node_id(prefix: str, label: str) -> str:
return f"{prefix}:{_slug(label).replace(' ', '_')}"
def _make_graph(
source: SourceMetadata,
nodes: Mapping[str, str],
edges: Iterable[EdgeRecord],
*,
labels: Mapping[str, str],
node_attributes: Mapping[str, Mapping[str, str]],
relation_ids: Iterable[str],
) -> RealGraph:
relation_ids = tuple(sorted(set(relation_ids)))
edge_list = tuple(edges)
relation_attributes = {
relation: {
"functional": "false",
"description": relation_phrase(relation),
}
for relation in relation_ids
}
return RealGraph(
graph=GraphStore(
nodes,
edge_list,
graph_version=f"{source.source_id}@{source.version}",
node_attributes=node_attributes,
relation_attributes=relation_attributes,
),
node_labels=labels,
relation_phrases={
relation: relation_phrase(relation) for relation in relation_ids
},
source=source,
)
_CONCEPTNET_RELATIONS = {
"/r/Causes": "causes",
"/r/HasPrerequisite": "has_prerequisite",
"/r/UsedFor": "used_for",
"/r/CapableOf": "capable_of",
"/r/PartOf": "part_of",
"/r/IsA": "is_a",
"/r/RelatedTo": "associated_with",
"/r/Desires": "desires",
"/r/NotDesires": "not_desires",
}
def _conceptnet_label(uri: str) -> str | None:
parts = uri.split("/")
if len(parts) < 4 or parts[1] != "c" or parts[2] != "en":
return None
return unquote(parts[3]).replace("_", " ").strip() or None
def load_conceptnet(
path: str | Path,
source: SourceMetadata,
*,
max_edges: int = 350_000,
) -> RealGraph:
"""Load a bounded English ConceptNet assertion slice."""
nodes: dict[str, str] = {}
labels: dict[str, str] = {}
attributes: dict[str, dict[str, str]] = {}
edges: list[EdgeRecord] = []
seen: set[tuple[str, str, str]] = set()
with gzip.open(path, "rt", encoding="utf-8", newline="") as handle:
reader = csv.reader(handle, delimiter="\t")
for row in reader:
if not row or row[0].startswith("#") or len(row) < 5:
continue
relation = _CONCEPTNET_RELATIONS.get(row[1])
if relation is None:
continue
start = _conceptnet_label(row[2])
end = _conceptnet_label(row[3])
if start is None or end is None or start == end:
continue
source_id = _node_id("conceptnet", start)
target_id = _node_id("conceptnet", end)
key = (source_id, relation, target_id)
if key in seen:
continue
seen.add(key)
nodes[source_id] = "concept"
nodes[target_id] = "concept"
labels[source_id] = start
labels[target_id] = end
if len(row) > 4:
try:
data = json.loads(row[4])
except json.JSONDecodeError:
data = {}
else:
data = {}
attributes.setdefault(source_id, {})
attributes.setdefault(target_id, {})
edge_attributes = {
"evidence_kind": "commonsense_assertion",
"dataset": str(data.get("dataset", "ConceptNet")),
"weight": str(data.get("weight", "")),
}
edges.append(
EdgeRecord(
source_id,
relation,
target_id,
"concept",
"concept",
relation_phrase(relation),
edge_attributes,
)
)
if len(edges) >= max_edges:
break
return _make_graph(
source,
nodes,
edges,
labels=labels,
node_attributes=attributes,
relation_ids={edge.relation_id for edge in edges},
)
def load_causenet(
path: str | Path,
source: SourceMetadata,
*,
max_edges: int = 100_000,
) -> RealGraph:
"""Load CauseNet causal assertions without copying source sentences."""
nodes: dict[str, str] = {}
labels: dict[str, str] = {}
attributes: dict[str, dict[str, str]] = {}
edges: list[EdgeRecord] = []
seen: set[tuple[str, str, str]] = set()
with bz2.open(path, "rt", encoding="utf-8") as handle:
for line in handle:
if not line.strip():
continue
record = json.loads(line)
relation = record.get("causal_relation", {})
cause = str(relation.get("cause", {}).get("concept", "")).strip()
effect = str(relation.get("effect", {}).get("concept", "")).strip()
if not cause or not effect or cause == effect:
continue
source_id = _node_id("causenet", cause)
target_id = _node_id("causenet", effect)
key = (source_id, "causes", target_id)
if key in seen:
continue
seen.add(key)
nodes[source_id] = "causal_concept"
nodes[target_id] = "causal_concept"
labels[source_id] = cause.replace("_", " ")
labels[target_id] = effect.replace("_", " ")
attributes.setdefault(source_id, {})
attributes.setdefault(target_id, {})
sources = record.get("sources", ())
source_types = sorted(
{
str(item.get("type", "unknown"))
for item in sources
if isinstance(item, Mapping)
}
)
edges.append(
EdgeRecord(
source_id,
"causes",
target_id,
"causal_concept",
"causal_concept",
relation_phrase("causes"),
{
"evidence_kind": "mined_causal_assertion",
"source_types": ",".join(source_types),
"confidence": "0.83_estimated_precision",
},
)
)
if len(edges) >= max_edges:
break
return _make_graph(
source,
nodes,
edges,
labels=labels,
node_attributes=attributes,
relation_ids={"causes"},
)
_OBO_RELATIONS = {
"is_a": "is_a",
"part_of": "part_of",
"regulates": "regulates",
"positively_regulates": "regulates_positive",
"negatively_regulates": "regulates_negative",
"has_role": "has_role",
}
def _open_text(path: str | Path):
path = Path(path)
if path.suffix == ".gz":
return gzip.open(path, "rt", encoding="utf-8")
return path.open(encoding="utf-8")
def _obo_terms(path: str | Path) -> Iterator[dict[str, object]]:
current: dict[str, object] | None = None
with _open_text(path) as handle:
for raw_line in handle:
line = raw_line.rstrip("\n")
if line == "[Term]":
if current is not None:
yield current
current = {"relations": []}
continue
if current is None or not line or line.startswith("!"):
continue
if line.startswith("id: "):
current["id"] = line[4:].strip()
elif line.startswith("name: "):
current["name"] = line[6:].strip()
elif line.startswith("namespace: "):
current["namespace"] = line[11:].strip()
elif line.startswith("def: "):
current["definition"] = line[5:].split('"', 2)[1]
elif line.startswith("is_a: "):
target = line[6:].split(" !", 1)[0].strip()
cast_relations = current["relations"]
assert isinstance(cast_relations, list)
cast_relations.append(("is_a", target))
elif line.startswith("relationship: "):
bits = line[14:].split()
if len(bits) >= 2:
cast_relations = current["relations"]
assert isinstance(cast_relations, list)
cast_relations.append((bits[0], bits[1]))
elif line.startswith("is_obsolete: true"):
current["obsolete"] = True
if current is not None:
yield current
def load_obo_graph(
path: str | Path,
source: SourceMetadata,
*,
max_terms: int | None = None,
max_edges: int = 500_000,
) -> RealGraph:
"""Load selected typed relationships from an OBO ontology."""
records = [record for record in _obo_terms(path) if not record.get("obsolete")]
if max_terms is not None:
records = records[:max_terms]
selected = {
str(record["id"])
for record in records
if record.get("id") and record.get("name")
}
nodes: dict[str, str] = {}
labels: dict[str, str] = {}
attributes: dict[str, dict[str, str]] = {}
edges: list[EdgeRecord] = []
for record in records:
term_id = str(record["id"])
node_id = f"obo:{term_id}"
name = str(record.get("name", term_id))
namespace = str(record.get("namespace", "ontology_term"))
nodes[node_id] = namespace
labels[node_id] = name
attributes[node_id] = {
"definition": str(record.get("definition", ""))[:4000],
"namespace": namespace,
"ontology_id": term_id,
}
relation_ids: set[str] = set()
for record in records:
source_term = str(record["id"])
source_id = f"obo:{source_term}"
raw_relations = record.get("relations", [])
assert isinstance(raw_relations, list)
for raw_relation, target_term in raw_relations:
relation = _OBO_RELATIONS.get(str(raw_relation), str(raw_relation))
if target_term not in selected:
continue
target_id = f"obo:{target_term}"
if source_id not in nodes or target_id not in nodes:
continue
relation_ids.add(relation)
edges.append(
EdgeRecord(
source_id,
relation,
target_id,
nodes[source_id],
nodes[target_id],
relation_phrase(relation),
{
"evidence_kind": "ontology_assertion",
"ontology_id": source.source_id,
},
)
)
if len(edges) >= max_edges:
break
if len(edges) >= max_edges:
break
return _make_graph(
source,
nodes,
edges,
labels=labels,
node_attributes=attributes,
relation_ids=relation_ids,
)
def _local_tag(tag: str) -> str:
return tag.rsplit("}", 1)[-1]
def load_causal_timebank(
archive: str | Path,
source: SourceMetadata,
*,
max_documents: int | None = None,
) -> RealGraph:
"""Load event causality and temporal links from Causal-TimeBank XML."""
nodes: dict[str, str] = {}
labels: dict[str, str] = {}
attributes: dict[str, dict[str, str]] = {}
edges: list[EdgeRecord] = []
relation_ids: set[str] = set()
with zipfile.ZipFile(archive) as handle:
names = [
name
for name in handle.namelist()
if name.lower().endswith((".xml", ".tml"))
]
for index, name in enumerate(names):
if max_documents is not None and index >= max_documents:
break
try:
root = ElementTree.fromstring(handle.read(name))
except ElementTree.ParseError:
continue
prefix = _slug(name.rsplit("/", 1)[-1].rsplit(".", 1)[0], limit=80)
event_labels: dict[str, str] = {}
instance_to_event: dict[str, str] = {}
links: list[tuple[str, str, str]] = []
for element in root.iter():
tag = _local_tag(element.tag)
if tag == "EVENT" and element.attrib.get("eid"):
event_id = f"timebank:{prefix}:{element.attrib['eid']}"
text = " ".join("".join(element.itertext()).split())
event_labels[event_id] = text or element.attrib["eid"]
elif tag == "MAKEINSTANCE":
event = element.attrib.get("eventID")
instance = element.attrib.get("eiid")
if event and instance:
instance_to_event[instance] = f"timebank:{prefix}:{event}"
elif tag == "CLINK":
links.append(
(
"causes",
element.attrib.get(
"causeID", element.attrib.get("eventInstanceID", "")
),
element.attrib.get(
"effectID",
element.attrib.get("relatedToEventInstance", ""),
),
)
)
elif tag == "TLINK":
relation = element.attrib.get("relType", "").upper()
if relation not in {"BEFORE", "AFTER"}:
continue
left = element.attrib.get("eventInstanceID", "")
right = element.attrib.get("relatedToEventInstance", "")
if relation == "AFTER":
left, right = right, left
links.append(("before", left, right))
nodes.update({event: "event" for event in event_labels})
labels.update(event_labels)
attributes.update(
{
event: {
"document": name,
"evidence_kind": "human_annotated_event",
}
for event in event_labels
}
)
for relation, left, right in links:
left_id = instance_to_event.get(left, f"timebank:{prefix}:{left}")
right_id = instance_to_event.get(right, f"timebank:{prefix}:{right}")
if left_id not in nodes or right_id not in nodes or left_id == right_id:
continue
relation_ids.add(relation)
edges.append(
EdgeRecord(
left_id,
relation,
right_id,
"event",
"event",
relation_phrase(relation),
{
"evidence_kind": (
"human_annotated_causal_link"
if relation == "causes"
else "human_annotated_temporal_link"
),
"document": name,
},
)
)
return _make_graph(
source,
nodes,
edges,
labels=labels,
node_attributes=attributes,
relation_ids=relation_ids,
)
def _sample_path(
graph: GraphStore,
start: str,
rng: random.Random,
relation_ids: set[str],
min_hops: int,
max_hops: int,
) -> GraphPath | None:
target_hops = rng.randint(min_hops, max_hops)
node = start
visited = {start}
steps: list[PathStep] = []
for _ in range(target_hops):
choices = [
edge
for edge in graph.outgoing(node)
if edge.relation_id in relation_ids and edge.target_id not in visited
]
if not choices:
return None
edge = rng.choice(choices)
steps.append(
PathStep(
edge.source_id,
edge.relation_id,
edge.target_id,
edge.source_type,
edge.target_type,
edge.attributes,
)
)
node = edge.target_id
visited.add(node)
return GraphPath(tuple(steps))
def _causal_query(
label: str,
target_type: str,
phrases: Sequence[str],
hops: int,
task_type: str,
) -> str:
phrase_text = " and ".join(dict.fromkeys(phrases))
if task_type == "intervention":
return (
f"Under an intervention that changes {label}, which {target_type.lower()} "
f"is predicted to change through the mechanism involving {phrase_text}?"
)
if task_type == "counterfactual":
return (
f"If {label} had not occurred, which {target_type.lower()} would be less "
f"expected under the mechanism involving {phrase_text}?"
)
if task_type == "temporal_precedence":
return (
f"Which {target_type.lower()} occurs after {label} according to the "
"annotated event sequence?"
)
if task_type == "ontology_path":
return (
f"Which {target_type.lower()} can be reached from {label} through "
f"{phrase_text} across {hops} graph step(s)?"
)
if task_type == "mechanism_chain":
return (
f"Which {target_type.lower()} is the downstream result of a mechanism "
f"starting with {label} and involving {phrase_text}?"
)
return (
f"Which {target_type.lower()} can be causally traced from {label} through "
f"{phrase_text}?"
)
def _safe_query_label(label: str, composition: Sequence[str]) -> str:
"""Avoid echoing a raw relation token when it is also an entity label."""
safe = label
for relation in composition:
safe = re.sub(
rf"(?<![A-Za-z0-9_]){re.escape(relation)}(?![A-Za-z0-9_])",
"the starting condition",
safe,
flags=re.IGNORECASE,
)
return safe
def generate_causal_graph_examples(
real_graph: RealGraph,
*,
count: int,
seed: int,
relation_ids: Iterable[str],
min_hops: int = 1,
max_hops: int = 3,
unsupported_rate: float = 0.2,
) -> Iterator[CausalExample]:
"""Generate causal/temporal/ontology examples from a typed source graph."""
allowed = set(relation_ids)
if not allowed:
raise ValueError("relation_ids cannot be empty")
rng = random.Random(seed)
starts = [
node
for node in real_graph.graph.nodes
if any(edge.relation_id in allowed for edge in real_graph.graph.outgoing(node))
]
if not starts and count:
raise ValueError("graph has no outgoing edges in the requested relation set")
produced = 0
attempts = 0
max_attempts = max(100, count * 100)
while produced < count and attempts < max_attempts:
attempts += 1
start = rng.choice(starts)
sampled = _sample_path(
real_graph.graph, start, rng, allowed, min_hops, max_hops
)
if sampled is None:
continue
composition = sampled.relation_sequence
neighbourhood = _extract_neighborhood(
real_graph.graph,
start,
sampled,
rng,
max_hops=max_hops,
max_branch=12,
max_nodes=80,
)
supporting = _matching_paths(neighbourhood, start, composition)
if not supporting:
continue
unsupported = rng.random() < unsupported_rate
active_graph = (
_without_support(
neighbourhood,
supporting,
blocked_prefix=(start, composition[0]),
)
if unsupported
else neighbourhood
)
first_relation = composition[0]
if first_relation == "before":
task_type = "temporal_precedence"
elif "causes" in composition or first_relation.startswith("regulates"):
task_type = rng.choice(
(
"cause_identification",
"effect_prediction",
"intervention",
"counterfactual",
"mechanism_chain" if len(composition) > 1 else "effect_prediction",
)
)
else:
task_type = "ontology_path"
phrases = [
real_graph.relation_phrases.get(relation, relation_phrase(relation))
for relation in composition
]
label = _safe_query_label(real_graph.node_labels.get(start, start), composition)
target_type = sampled.steps[-1].target_type or "entity"
query = GraphQuery(
text=_causal_query(
label, target_type, phrases, len(composition), task_type
),
start_entities=(start,),
start_entity_ids=(start,),
max_hops=max_hops,
min_hops=1,
return_paths=True,
verify=True,
operation="find_entities",
answer_mode="entity",
)
active_supporting = () if unsupported else supporting
answers = (
()
if unsupported
else tuple(
endpoint
for endpoint in dict.fromkeys(path.endpoint_id for path in supporting)
if endpoint is not None
)
)
competing = _competing_paths(
active_graph, start, len(composition), composition, limit=32
)
evidence_kind = str(
sampled.steps[0].edge_attributes.get("evidence_kind", "graph_assertion")
)
metadata = {
"task_type": task_type,
"evidence_kind": evidence_kind,
"evidence_class": real_graph.source.evidence_class,
"causal_truth_status": real_graph.source.causal_truth_status,
"causal_relation": first_relation,
"support": "absent" if unsupported else "present",
"negative_kind": "insufficient_evidence" if unsupported else "none",
"confidence": str(
sampled.steps[0].edge_attributes.get("confidence", "source_defined")
),
}
example = ReasoningExample(
example_id=f"{real_graph.source.source_id}-{seed}-{produced}",
graph=active_graph.to_example(),
query=query,
answers=answers,
negative_answers=tuple(
endpoint
for endpoint in dict.fromkeys(path.endpoint_id for path in competing)
if endpoint is not None
),
supporting_paths=active_supporting,
conflicting_paths=(),
status=(
ReasoningStatus.INSUFFICIENT_EVIDENCE
if unsupported
else ReasoningStatus.SUPPORTED
),
difficulty=len(composition),
seed=seed + produced,
generator_version="causal-corpus-v1",
task_type=task_type,
intent_id=f"{real_graph.source.domain}:{task_type}",
composition=composition,
competing_paths=competing,
stage_name=f"causal_{real_graph.source.domain}",
)
yield CausalExample(example, metadata)
produced += 1
if produced < count:
raise RuntimeError(
f"generated only {produced}/{count} examples from {real_graph.source.source_id}"
)
@dataclass(frozen=True)
class SCMScenario:
domain: str
cause: str
mediator: str
effect: str
confounder: str
SCENARIOS: tuple[SCMScenario, ...] = (
SCMScenario("health", "smoking", "airway inflammation", "lung cancer risk", "age"),
SCMScenario(
"health",
"sleep deprivation",
"slower reaction time",
"driving errors",
"work schedule",
),
SCMScenario(
"health",
"pathogen exposure",
"viral replication",
"infection symptoms",
"crowding",
),
SCMScenario(
"health",
"vaccination",
"immune memory",
"severe infection risk",
"health access",
),
SCMScenario(
"economics",
"higher interest rates",
"higher borrowing cost",
"lower business investment",
"inflation expectations",
),
SCMScenario(
"economics",
"job loss",
"lower household income",
"lower discretionary spending",
"regional industry",
),
SCMScenario(
"economics",
"skills training",
"worker productivity",
"higher wages",
"prior education",
),
SCMScenario(
"economics",
"supply disruption",
"lower available inventory",
"higher prices",
"demand growth",
),
SCMScenario(
"climate",
"greenhouse gas emissions",
"radiative forcing",
"higher global temperature",
"industrialization",
),
SCMScenario(
"climate",
"deforestation",
"less root stabilization",
"greater soil erosion",
"heavy rainfall",
),
SCMScenario(
"climate",
"drought",
"lower soil moisture",
"lower crop yield",
"irrigation access",
),
SCMScenario(
"climate",
"urban tree cover",
"more shade and evapotranspiration",
"lower local heat",
"building density",
),
SCMScenario(
"education",
"deliberate practice",
"retrieval fluency",
"better test performance",
"prior preparation",
),
SCMScenario(
"education",
"timely feedback",
"error correction",
"improved revision quality",
"teacher attention",
),
SCMScenario(
"education",
"smaller class size",
"more individual interaction",
"higher engagement",
"school funding",
),
SCMScenario(
"education",
"background knowledge",
"faster comprehension",
"better problem solving",
"reading exposure",
),
SCMScenario(
"software",
"request caching",
"fewer database reads",
"lower response latency",
"traffic pattern",
),
SCMScenario(
"software",
"automated tests",
"earlier defect detection",
"fewer regressions",
"engineering time",
),
SCMScenario(
"software",
"dependency upgrade",
"changed transitive API",
"build failure",
"release timing",
),
SCMScenario(
"software",
"traffic increase",
"queue growth",
"higher service latency",
"capacity planning",
),
SCMScenario(
"engineering",
"lubrication",
"lower contact friction",
"less component wear",
"operating temperature",
),
SCMScenario(
"engineering",
"excessive load",
"higher material stress",
"structural failure risk",
"material defect",
),
SCMScenario(
"engineering",
"battery heating",
"higher reaction rate",
"shorter battery life",
"charge cycle",
),
SCMScenario(
"engineering",
"thermal expansion",
"increased joint displacement",
"seal leakage",
"manufacturing tolerance",
),
SCMScenario(
"biology",
"insulin signaling",
"greater glucose uptake",
"lower blood glucose",
"body composition",
),
SCMScenario(
"biology",
"predator abundance",
"greater prey mortality",
"smaller prey population",
"habitat quality",
),
SCMScenario(
"biology",
"gene transcription",
"more messenger RNA",
"higher protein production",
"cell state",
),
SCMScenario(
"biology",
"antibiotic exposure",
"bacterial growth suppression",
"lower bacterial load",
"initial dose",
),
SCMScenario(
"everyday",
"heavy rainfall",
"rapid water accumulation",
"street flooding",
"drainage capacity",
),
SCMScenario(
"everyday",
"regular exercise",
"improved cardiovascular capacity",
"greater endurance",
"baseline health",
),
SCMScenario(
"everyday",
"traffic congestion",
"slower vehicle flow",
"longer travel time",
"road capacity",
),
SCMScenario(
"social",
"misinformation exposure",
"false belief adoption",
"poor decision quality",
"prior trust",
),
SCMScenario(
"physics",
"greater net force",
"higher acceleration",
"greater velocity change",
"object mass",
),
SCMScenario(
"physics",
"higher temperature",
"greater particle motion",
"higher pressure in a fixed volume",
"container volume",
),
SCMScenario(
"physics",
"increased resistance",
"greater electrical energy loss",
"lower circuit power delivery",
"source voltage",
),
SCMScenario(
"astronomy",
"stellar core contraction",
"higher core temperature",
"heavier element fusion",
"stellar mass",
),
SCMScenario(
"astronomy",
"planetary albedo",
"reflected stellar radiation",
"lower surface heating",
"atmospheric composition",
),
SCMScenario(
"earth_science",
"tectonic plate motion",
"stress accumulation",
"earthquake rupture",
"fault geometry",
),
SCMScenario(
"earth_science",
"volcanic ash emission",
"reduced incoming sunlight",
"short-term surface cooling",
"eruption magnitude",
),
SCMScenario(
"agriculture",
"nitrogen fertilizer",
"plant nutrient availability",
"higher crop biomass",
"soil organic matter",
),
SCMScenario(
"agriculture",
"pest infestation",
"leaf area loss",
"lower crop yield",
"natural predator abundance",
),
SCMScenario(
"energy",
"wind speed",
"turbine rotor torque",
"higher wind-power output",
"air density",
),
SCMScenario(
"energy",
"insulation quality",
"lower heat transfer",
"lower building energy demand",
"outdoor temperature",
),
SCMScenario(
"transport",
"higher road capacity",
"less queue accumulation",
"shorter travel time",
"commuter demand",
),
SCMScenario(
"transport",
"rail service disruption",
"passenger diversion to roads",
"greater highway congestion",
"alternative route capacity",
),
SCMScenario(
"law_policy",
"tax rate increase",
"higher marginal cost",
"lower targeted consumption",
"household income",
),
SCMScenario(
"law_policy",
"housing subsidy",
"lower effective housing cost",
"greater housing demand",
"local supply elasticity",
),
SCMScenario(
"finance",
"higher default probability",
"higher expected credit loss",
"higher loan interest rate",
"borrower income volatility",
),
SCMScenario(
"finance",
"diversified holdings",
"lower idiosyncratic exposure",
"lower portfolio volatility",
"asset correlation",
),
SCMScenario(
"cybersecurity",
"multi-factor authentication",
"harder credential misuse",
"lower account takeover risk",
"password reuse",
),
SCMScenario(
"cybersecurity",
"unpatched software",
"known exploitable vulnerability",
"higher breach risk",
"attacker access",
),
SCMScenario(
"manufacturing",
"process temperature drift",
"dimensional variation",
"higher defect rate",
"incoming material variance",
),
SCMScenario(
"manufacturing",
"preventive maintenance",
"lower machine downtime",
"higher production availability",
"equipment age",
),
SCMScenario(
"telecommunications",
"network congestion",
"packet queueing",
"higher communication latency",
"available bandwidth",
),
SCMScenario(
"telecommunications",
"stronger signal power",
"higher signal-to-noise ratio",
"lower decoding error rate",
"channel interference",
),
SCMScenario(
"psychology",
"chronic stress",
"sleep disruption",
"lower working-memory performance",
"social support",
),
SCMScenario(
"psychology",
"retrieval practice",
"stronger memory consolidation",
"better delayed recall",
"initial familiarity",
),
SCMScenario(
"public_health",
"clean-water access",
"lower pathogen ingestion",
"lower diarrheal disease incidence",
"sanitation coverage",
),
SCMScenario(
"public_health",
"air pollution exposure",
"airway inflammation",
"higher respiratory symptoms",
"baseline lung health",
),
SCMScenario(
"materials",
"alloy strengthening",
"higher dislocation resistance",
"greater yield strength",
"heat-treatment history",
),
SCMScenario(
"materials",
"repeated cyclic loading",
"fatigue crack growth",
"lower component lifetime",
"surface finish",
),
SCMScenario(
"product_reliability",
"battery overcharge",
"electrolyte decomposition",
"shorter battery service life",
"ambient temperature",
),
SCMScenario(
"product_reliability",
"insufficient cooling",
"higher processor temperature",
"thermal throttling",
"workload intensity",
),
SCMScenario(
"supply_chain",
"port congestion",
"longer inbound lead time",
"retail stockout risk",
"seasonal demand",
),
SCMScenario(
"supply_chain",
"supplier quality drift",
"higher incoming defect rate",
"lower production yield",
"inspection coverage",
),
SCMScenario(
"software_product",
"rate-limit configuration",
"fewer burst requests",
"lower service overload risk",
"traffic distribution",
),
SCMScenario(
"software_product",
"stale dependency",
"known vulnerable code path",
"higher exploitation risk",
"attacker capability",
),
SCMScenario(
"consumer_product",
"clearer setup instructions",
"fewer configuration errors",
"higher successful first-use rate",
"user technical experience",
),
SCMScenario(
"consumer_product",
"higher shipping damage",
"more returned units",
"lower customer satisfaction",
"packaging quality",
),
)
def _scm_graph(
scenario: SCMScenario,
variant: str,
*,
source_id: str = "manual_scm_v1",
source_version: str = "1",
scm_version: str = "manual_v1",
) -> tuple[RealGraph, str, str]:
prefix = f"scm:{scenario.domain}"
cause_id = _node_id(prefix, scenario.cause)
mediator_id = _node_id(prefix, scenario.mediator)
effect_id = _node_id(prefix, scenario.effect)
confounder_id = _node_id(prefix, scenario.confounder)
nodes = {
cause_id: "variable",
mediator_id: "mediator",
effect_id: "outcome",
confounder_id: "confounder",
}
labels = {
cause_id: scenario.cause,
mediator_id: scenario.mediator,
effect_id: scenario.effect,
confounder_id: scenario.confounder,
}
attributes = {
node: {"domain": scenario.domain, "synthetic_scm": scm_version}
for node in nodes
}
edge_attributes = {
"evidence_kind": "synthetic_structural_causal_model",
"confidence": "ground_truth_for_synthetic_example",
}
edges = [
EdgeRecord(
cause_id,
"causes",
mediator_id,
"variable",
"mediator",
relation_phrase("causes"),
edge_attributes,
),
EdgeRecord(
mediator_id,
"causes",
effect_id,
"mediator",
"outcome",
relation_phrase("causes"),
edge_attributes,
),
EdgeRecord(
confounder_id,
"causes",
cause_id,
"confounder",
"variable",
relation_phrase("causes"),
edge_attributes,
),
EdgeRecord(
confounder_id,
"causes",
effect_id,
"confounder",
"outcome",
relation_phrase("causes"),
edge_attributes,
),
]
if variant == "unsupported":
edges = [
EdgeRecord(
cause_id,
"associated_with",
effect_id,
"variable",
"outcome",
relation_phrase("associated_with"),
{
"evidence_kind": "observational_association_only",
"confidence": "not_a_causal_claim",
},
)
]
elif variant == "reverse":
edges = [
EdgeRecord(
effect_id,
"before",
cause_id,
"outcome",
"variable",
relation_phrase("before"),
{
"evidence_kind": "temporal_or_reverse_hard_negative",
"confidence": "hard_negative",
},
)
]
source = SourceMetadata(
source_id=source_id,
domain=scenario.domain,
version=source_version,
license="project-authored",
url="https://example.invalid/project-authored-scm",
source_kind="synthetic_structural_model",
)
return (
_make_graph(
source,
nodes,
edges,
labels=labels,
node_attributes=attributes,
relation_ids={edge.relation_id for edge in edges},
),
cause_id,
effect_id,
)
def generate_manual_scm_examples(
*,
count: int,
seed: int = 0,
source_id: str = "manual_scm_v1",
source_version: str = "1",
scm_version: str = "manual_v1",
stage_name: str = "causal_manual_scm",
generator_version: str = "causal-corpus-v1",
) -> Iterator[CausalExample]:
"""Generate manually authored, domain-balanced SCM examples."""
rng = random.Random(seed)
for index in range(count):
scenario = SCENARIOS[index % len(SCENARIOS)]
composition: tuple[str, ...]
answers: tuple[str, ...]
paths: tuple[GraphPath, ...]
variant = rng.choices(
("supported", "unsupported", "reverse"), weights=(0.64, 0.24, 0.12)
)[0]
real_graph, cause_id, effect_id = _scm_graph(
scenario,
variant,
source_id=source_id,
source_version=source_version,
scm_version=scm_version,
)
if variant == "reverse":
start_id = effect_id
composition = ("causes",)
task_type = "cause_identification"
status = ReasoningStatus.INSUFFICIENT_EVIDENCE
answers = ()
paths = ()
query_text = (
f"Which outcome can be caused by intervening on {scenario.effect}?"
)
elif variant == "unsupported":
start_id = cause_id
composition = ("causes",)
task_type = "intervention"
status = ReasoningStatus.INSUFFICIENT_EVIDENCE
answers = ()
paths = ()
query_text = (
f"If an intervention changes {scenario.cause}, which outcome is "
f"predicted to change through a causal mechanism?"
)
else:
start_id = cause_id
composition = ("causes", "causes")
task_type = rng.choice(
(
"mechanism_chain",
"intervention",
"counterfactual",
"effect_prediction",
)
)
target_type = "outcome"
query_text = _causal_query(
scenario.cause,
target_type,
[relation_phrase("causes"), relation_phrase("causes")],
2,
task_type,
)
paths = (
GraphPath(
(
PathStep(
cause_id,
"causes",
_node_id(f"scm:{scenario.domain}", scenario.mediator),
"variable",
"mediator",
{},
),
PathStep(
_node_id(f"scm:{scenario.domain}", scenario.mediator),
"causes",
effect_id,
"mediator",
"outcome",
{},
),
)
),
)
status = ReasoningStatus.SUPPORTED
answers = (effect_id,)
query = GraphQuery(
text=query_text,
start_entities=(start_id,),
start_entity_ids=(start_id,),
max_hops=3,
min_hops=1,
return_paths=True,
verify=True,
operation="find_entities",
answer_mode="entity",
)
example = ReasoningExample(
example_id=f"{source_id}-{seed}-{index}",
graph=real_graph.graph.to_example(),
query=query,
answers=answers,
negative_answers=(),
supporting_paths=paths,
conflicting_paths=(),
status=status,
difficulty=len(composition),
seed=seed + index,
generator_version=generator_version,
task_type=task_type,
intent_id=f"{scenario.domain}:{task_type}",
composition=composition,
stage_name=stage_name,
)
yield CausalExample(
example,
{
"task_type": task_type,
"evidence_kind": (
"synthetic_structural_causal_model"
if variant == "supported"
else "observational_association_only"
if variant == "unsupported"
else "temporal_or_reverse_hard_negative"
),
"evidence_class": "structural_causal_model",
"causal_truth_status": "explicit_ground_truth",
"causal_relation": "causes",
"support": "present" if variant == "supported" else "absent",
"negative_kind": "none" if variant == "supported" else variant,
"domain": scenario.domain,
"mechanism": (
f"{scenario.cause} -> {scenario.mediator} -> {scenario.effect}"
),
"confounder": scenario.confounder,
"truth_status": (
"ground_truth"
if variant == "supported"
else "ground_truth_abstention"
if variant == "unsupported"
else "ground_truth_directional_negative"
),
"intervention": f"do({scenario.cause})",
"backdoor_confounder": scenario.confounder,
"counterfactual_queryable": "true",
},
)
def write_causal_jsonl_gz(
examples: Iterable[CausalExample],
destination: str | Path,
source: SourceMetadata,
) -> CorpusStats:
"""Write causal records using the existing trainer-compatible JSONL format."""
path = Path(destination)
path.parent.mkdir(parents=True, exist_ok=True)
counts: Counter[str] = Counter()
with gzip.open(path, "wt", encoding="utf-8") as handle:
for item in examples:
truth_status = str(
item.metadata.get("causal_truth_status", source.causal_truth_status)
)
if (
truth_status == "explicit_ground_truth"
and not source.source_id.startswith("manual_scm")
):
raise ValueError(
"only manual_scm sources may emit explicit_ground_truth records"
)
if source.source_id.startswith("manual_scm") and truth_status != (
"explicit_ground_truth"
):
raise ValueError(
"manual_scm sources must emit explicit_ground_truth records"
)
payload = serialize_example(item.example, source)
metadata = dict(item.metadata)
metadata["causal_truth_status"] = truth_status
payload["causal_metadata"] = metadata
handle.write(json.dumps(payload, sort_keys=True))
handle.write("\n")
counts["examples"] += 1
counts[item.example.status.value] += 1
counts[f"source:{source.source_id}"] += 1
counts[f"hops:{len(item.example.composition)}"] += 1
counts[
f"task:{item.metadata.get('task_type', item.example.task_type)}"
] += 1
counts[f"evidence:{item.metadata.get('evidence_kind', 'unknown')}"] += 1
return CorpusStats(
examples=counts["examples"],
supported=counts[ReasoningStatus.SUPPORTED.value],
insufficient_evidence=counts[ReasoningStatus.INSUFFICIENT_EVIDENCE.value],
sources={source.source_id: counts[f"source:{source.source_id}"]},
hops={
key.removeprefix("hops:"): value
for key, value in counts.items()
if key.startswith("hops:")
},
)
|